Question

Find the common difference of the A. P. 12,9,6,3..​

Answer 1

Answer:

$\huge\star\underbrace{\mathtt\red{⫷❥ᴀ᭄} \mathtt\green{n~ }\mathtt\blue{ §} \mathtt\purple{₩}\mathtt\orange{Σ} \mathtt\pink{R⫸}}\star\:$

Step-by-step explanation:

Step-by-step explanation:

$\huge\underline{Given→}$

=>A.P=12,9,6,3.....

=>a=12(First term)

=>b=9(Second term)

$\huge\underline{ToFind→}$

=>Common difference(d)

$\huge\underline{Answer→}$

=>d=b-a

=>d=9-12

=>d=-3.

☞So the common difference(d) the given A.P is -3 which is the required answer.

HOPE IT HELPS.

Answer 2

Common Difference = -3

Step-by-step explanation:

Arithmetic Progression.

Here is the sequence (12), (9), (6), (3), the similarity is that next is obtained by adding a particular number to the previous number. Each of these sequence is called an Arithmetic Pogression.

___________________________

Here,

t1 = 12, T2= 9, t3 = 6, t4 = 3

We know that,

Common Difference = t2 - t1

Common Difference = 9 - 12

Common Difference = -3

Common Difference = -3